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STUDIES OF CHANGES IN PH PRODUCED BY PURE CULTURES OF ORAL MICRO-ORGANISMS .1. EFFECTS OF VARYING THE MICROBIC CELL CONCENTRATION .2. COMPARISON OF DIFFERENT MICRO-ORGANISMS AND DIFFERENT SUBSTRATES .3. SOME EFFECTS OF MIXING CERTAIN MICRO-ORGANISMS
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JOURNAL OF DENTAL RESEARCH,
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VERRAN J, J DENT RES